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 ###Instrução: Qual é a densidade de 1 de julho de 2011 se a estimativa oficial de 1 de julho de 2010 for de 800.482?
 ###Tabelas: CREATE TABLE highest_goalscorers (highest_goalscorers_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Scotland career VARCHAR, Caps INT, Goals INT, Average INT) CREATE TABLE bezirksliga (bezirksliga_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, North VARCHAR, South VARCHAR, East VARCHAR, West VARCHAR) CREATE TABLE historical_list_of_princeton_eating_clubs (historical_list_of_princeton_eating_clubs_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years of Operation VARCHAR, Location VARCHAR, Historical Photos VARCHAR, Year Clubhouse Constructed VARCHAR, Sign-in/Bicker VARCHAR, Year co-ed VARCHAR) CREATE TABLE most_populous_cities (most_populous_cities_id AUTO_INCREMENT PRIMARY KEY, Rank INT, City VARCHAR, Population INT, Year of Census or Estimate INT, Country VARCHAR) CREATE TABLE list_of_the_most_populous_us_counties_sorted_according_to_the_mid-2011_official_estimate_by_the_uscb (list_of_the_most_populous_us_counties_sorted_according_to_the_mid-2011_official_estimate_by_the_uscb_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, County VARCHAR, State VARCHAR, Land area (km²) VARCHAR, Land area (mi²) VARCHAR, April 1, 2010 census VARCHAR, April 1, 2010 density (/km²) VARCHAR, April 1, 2010 density (/mi²) VARCHAR, July 1, 2010 official estimate VARCHAR, July 1, 2010 density (/km²) VARCHAR, July 1, 2010 density (/mi²) VARCHAR, July 1, 2011 official estimate VARCHAR, July 1, 2011 density (/km²) VARCHAR, July 1, 2011 density (/mi²) VARCHAR, Mid-2010 to mid-2011 change (Absolute) VARCHAR, Mid-2010 to mid-2011 change (%) VARCHAR, County seat or courthouse VARCHAR)  
SELECT July 1, 2011 density (/mi²) FROM list_of_the_most_populous_us_counties_sorted_according_to_the_mid-2011_official_estimate_by_the_uscb WHERE July 1, 2010 official estimate = 800,482